corruagted (corrugating) roller for single facer, -48 CrMo alloy steel, with hard treatment -The hardness is above HRC58o-60o.

The upper and lower corruagted( corrugating, flute) roller for single facer machine,

-Made of 48 CrMo alloy steel, with hard treatment by laser,the hardness is above HRC58o-60o.

-The surface is well treated by grind and plated chrome.

-Different type of flute according to user's request.